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Finding the Fourth Proportional to 66,885.52, 100,336.64 and 24,758.48

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Solution

The fourth proportional to 66,885.52, 100,336.64 and 24,758.48 is: 37,140.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,885.52 : 100,336.64 = 24,758.48 : x
  2. Step 2: Convert to fraction form
    66,885.52/100,336.64 = 24,758.48/x
  3. Step 3: Cross multiply
    66,885.52x = 100,336.64 × 24,758.48
  4. Step 4: Simplify right side
    66,885.52x = 2,484,182,694.71
  5. Step 5: Solve for x
    x = 2,484,182,694.71/66,885.52
  6. Step 6: Final answer
    x = 37,140.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.